Fresnel Profile: Difference between revisions
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Fresnel Profile (of a lens or fixed lens) | Fresnel Profile (of a lens or fixed lens) | ||
Latest revision as of 08:53, 17 September 2026
Fresnel Profile (of a lens or fixed lens)
A stepped profile of both dioptric and catadioptric elements, the dioptric part of which presents one straight side towards the focus.
(Figs. 10, 14 and 16)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
